Karki, Bikash, Ashok Subedi, Himal Sigdel, and Pradeep Bartaula. “Design, Simulation and Performance Evaluation of Vertical Axis Helical Wind Turbine”. Journal of Innovations in Engineering Education 2, no. 1 (March 1, 2019): 1–13. Accessed November 22, 2024. https://nepjol.info/index.php/jiee/article/view/36661.